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Consider the decomposition of liquid hydrogen peroxide (H2O2) to form water and oxygen. Part A What...

Consider the decomposition of liquid hydrogen peroxide (H2O2) to form water and oxygen.

Part A

What is the heat of formation for hydrogen peroxide? Express your answer in to four significant figures.

Part B

What is the heat of formation for liquid water? Express your answer in to four significant figures.

Part C

What is the heat of formation for gaseous oxygen? Express your answer as an integer.

Part D

Write the balanced chemical equation that corresponds to the ΔH value you looked up for hydrogen peroxide. Express your answer as a chemical equation including phases.

Part E

Write the balanced chemical equation that corresponds to the ΔH value you looked up for liquid water. Express your answer as a chemical equation including phases.

Part F

Select the balanced chemical equation that corresponds to the ΔH value you looked up for gaseous oxygen.

Select the balanced chemical equation that corresponds to the value you looked up for gaseous oxygen.

O2(l)→O2(g)

2O(g)→O2(g)

O2(s)→O2(g)

none of the above; the heat of formation of oxygen gas is defined as zero, since it is an element in its most stable state at 25 ∘C.

Part G

Write the balanced chemical equation for the decomposition of hydrogen peroxide to form water and oxygen. (Write the equation such that the coefficient on oxygen is 1.)

Express your answer as a chemical equation including phases.

Part F

Select the balanced chemical equation that corresponds to the ΔH value you looked up for gaseous oxygen.

Select the balanced chemical equation that corresponds to the value you looked up for gaseous oxygen.

O2(l)→O2(g)

2O(g)→O2(g)

O2(s)→O2(g)

none of the above; the heat of formation of oxygen gas is defined as zero, since it is an element in its most stable state at 25 ∘C.

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Part G

Write the balanced chemical equation for the decomposition of hydrogen peroxide to form water and oxygen. (Write the equation such that the coefficient on oxygen is 1.)

Express your answer as a chemical equation including phases.

Part H

What is the heat of reaction for the process in part G? Express your answer in to four significant figures.

Solutions

Expert Solution

queen_honey_blossom answered 1 year ago

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